10-Year Rain History & Season Forecast

Explore a decade of rainfall for your location, see when each rainy season started and ended, and get an AI-powered forecast for the next season with soil preparation and planting guidance.

Seattle, Washington, United States of America

Next Season Forecast & Planting Advice

AI-powered prediction using latest 2025-2026 climate outlook for your region.

Average Monthly Rainfall (10-Year Mean)
JanFebMarAprMayJunJulAugSepOctNovDec0mm45mm90mm135mm180mmWet threshold

Bars above the amber line are considered rainy-season months for your location.

Annual Rainfall Trend (Last 10 Years)
201620172018201920202021202220232024202520260mm400mm800mm1200mm1600mm
Rainy Seasons by Year
YearSeasonStartEndRain (mm)
2016
Short Rains
OctDec589
2017
Winter Rains
FebApr574
Short Rains
OctDec519
2018
Short Rains
OctDec441
2019
Winter Rains
JanFeb220
Short Rains
SepOct237
2020
Winter Rains
JanFeb404
Short Rains
NovDec326
2021
Winter Rains
JanFeb386
Short Rains
OctDec593
2022
Winter Rains
JanFeb315
Short Rains
NovDec322
2023
Short Rains
NovDec359
2024
Winter Rains
JanFeb334
Short Rains
OctDec480
2025
Winter Rains
FebMar274
Short Rains
OctDec498
2026No distinct rainy season detected (annual: 640 mm)